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L900-1 Gas Fireplace

Clearance:

Dimension

Measured From:

A: Mantel Height

17-1/2” (445mm)

Minimum 

B: Sidewall

15-3/4” (400mm)

Side of 

fi

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C: Ceiling

49” (1245mm)

Top of 

fi

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D: Mantel Depth

13” (330mm)

Maximum 

E: Alcove Width

84” (2134mm)

Sidewall to Sidewall (Minimum)

F: Alcove Depth

36” (914mm)

Front to back wall (Maximum)

Clearance Requirements:

Regency Liberty L900 Gas Fireplace

IMPORTANT NOTE

Combustible material can only be installed to the bottom 
lip of the 

fi

 replace as shown below.  The 

fi

 nished 

fl

 oor must 

not come in contact with the front face of the 

fi

 replace. 

Non-combustible material must act as a barrier between 
the front face and 

fi

 nished 

fl

 oor.

Vertical Terminations:

Finished Floor

The maximum height that combustible 

fl

 oor can be 

brought above the base of the unit is 3".

Drywall

Mantel Clearances

2

0

12

6

4

8

10

Top of
Fireplace
Opening

13" (330mm)

3 ½" (89mm)

A

Standoff

B

C

Header
(On Edge)

0

10

15

20

25

14

Non-combustible

Facing

To Floor

D

1" (25mm)

Combustible Mantels

Because of the extreme heat this 

fi

 replace emits, the mantel 

clearances are critical.

 Combustible mantel clearances from top of 

the louvers are shown in the diagram below. Mantel may be installed 
anywhere in the shaded area or higher.

Mantel 
Clearances

From Top of 

Fireplace Opening

A

35-1/16”

B

27-1/2” 

C

18-1/2” 

D

17-1/2”

Note: 

A non-combustible mantel may 
be installed at a lower height if 
the framing is made of metal 
studs covered with a non-com-
bustible board.

Ensure the paint that is used 
on the mantel and the facing is 
“heat resistant” or the paint may 
discolour.

Mantel Leg 

Clearances

Combustible mantel leg 
clearances as per diagram. 

Clearances are from the 

fi

 nished edge of the 

fi

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opening.

Horizontal Terminations:

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